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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M95M02-DRCS5P/KF датащи(PDF) 2 Page - STMicroelectronics |
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M95M02-DRCS5P/KF датащи(HTML) 2 Page - STMicroelectronics |
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2 / 45 page  1 Description The M95M02 devices are electrically erasable programmable memory (EEPROM) organized as 262144 x 8 bits, accessed through the SPI bus. Over an ambient temperature range of -40 °C / +85 °C the M95M02-DR can operate with a supply voltage from 1.8 to 5.5 V. Over an ambient temperature range of -20 °C / +85 °C the M95M02-DF can operate with a supply voltage from 1.7 to 5.5 V. The M95M02 devices offer an additional page, named the Identification page (256 bytes). The Identification page can be used to store sensitive application parameters that can be (later) permanently locked in read-only mode. Figure 1. Logic diagram MS45413V1 S VCC HOLD M95xxx W Q C D VSS The SPI bus signals are C, D and Q, as shown in Figure 1 and Table 1. The device is selected when chip select (S) is driven low. Communications with the device can be interrupted when the HOLD is driven low. Table 1. Signal names Signal name Function Direction C Serial clock Input D Serial data input Input Q Serial data output Output S Chip select Input W Write protect Input HOLD Hold Input VCC Supply voltage - VSS Ground - M95M02-DR M95M02-DF Description DS7024 - Rev 13 page 2/45 |
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